var Hgt = $(window).height() - 94;
$("#addmsg,#addActivity,.sidebar").height(Hgt);

function demo() {
	layer.open({
		type : 1,
		area : [ '420px', '430px' ],
		title : false,
		closeBtn : true,
		shadeClose : true,
		skin : '#ffffff',
		content : $("#popbox")
	});

	document.getElementById("popbox").reset()
}

function date_demo() {
	layer.open({
		type : 1,
		area : [ '220px', '150px' ],
		title : false,
		closeBtn : true,
		shadeClose : true,
		skin : '#ffffff',
		content : $("#popboxThree")
	});

	document.getElementById("popboxThree").reset()
}

$('input[id=lefile]').change(function() {
	$('#photoCoverS').val($(this).val());
});

$("#editbtn").click(function() {
	$("#editOption,#addinfo").css("display", "none");
	$("#editChange").css("display", "block");
});

$("#save").click(function() {
	var txt = $("#editTxt").val();
	if ($("#editTxt").val() == "") {
		layer.alert("标签名不能为空！");
	} else {
		$("#addinfo").text(txt);
		$("#editOption,#addinfo").css("display", "block");
		$("#editChange").css("display", "none");

	}
});

$("#addli").click(function() {
	var txt = $("#one").val();
	var ul = document.getElementById("obj");
	// 添加 li
	var li = document.createElement("li");
	// 设置 li 属性，如 id
	li.innerHTML = txt;
	ul.appendChild(li);
	layer.closeAll();
});
function previewImage(file) {
	var MAXWIDTH = 100;
	var MAXHEIGHT = 100;
	var div = document.getElementById('preview');
	if (file.files && file.files[0]) {
		// div.innerHTML = '<img id="imghead">';
		var img = document.getElementById('imghead');
		img.onload = function() {
			var rect = clacImgZoomParam(MAXWIDTH, MAXHEIGHT, img.offsetWidth,
					img.offsetHeight);
			img.width = rect.width;
			img.height = rect.height;
			// img.style.marginLeft = rect.left+'px';
			// img.style.marginTop = rect.top+'px';
		}
		var reader = new FileReader();
		reader.onload = function(evt) {
			img.src = evt.target.result;
		}
		reader.readAsDataURL(file.files[0]);
	} else // 兼容IE
	{
		var sFilter = 'filter:progid:DXImageTransform.Microsoft.AlphaImageLoader(sizingMethod=scale,src="';
		file.select();
		var src = document.selection.createRange().text;
		div.innerHTML = '<img id=imghead>';
		var img = document.getElementById('imghead');
		img.filters.item('DXImageTransform.Microsoft.AlphaImageLoader').src = src;
		var rect = clacImgZoomParam(MAXWIDTH, MAXHEIGHT, img.offsetWidth,
				img.offsetHeight);
		status = ('rect:' + rect.top + ',' + rect.left + ',' + rect.width + ',' + rect.height);
		div.innerHTML = "<div id=divhead style='width:" + rect.width
				+ "px;height:" + rect.height + "px;margin-top:" + rect.top
				+ "px;" + sFilter + src + "\"'></div>";
	}
}

function clacImgZoomParam(maxWidth, maxHeight, width, height) {
	var param = {
		top : 0,
		left : 0,
		width : width,
		height : height
	};
	if (width > maxWidth || height > maxHeight) {
		rateWidth = width / maxWidth;
		rateHeight = height / maxHeight;

		if (rateWidth > rateHeight) {
			param.width = maxWidth;
			param.height = Math.round(height / rateWidth);
		} else {
			param.width = Math.round(width / rateHeight);
			param.height = maxHeight;
		}
	}
	param.left = Math.round((maxWidth - param.width) / 2);
	param.top = Math.round((maxHeight - param.height) / 2);
	return param;
};
$(function() {
	$(".active").first().css({
		" background" : "red"
	});
	$(".active").click(function() {
		var index = $(".active").index(this);
		if (this == true) {
			alert("进来了");
			$.cookie(index, $(".active").index(this), {
				path : '/',
				expires : 1
			});
			var a = $(".active").index(this);
			if ($.cookie(a)) {
				alert("进来了2");
				$(".active").siblings().css({
					"background" : "red",
					"-webkit-transition" : " all 0.3s ease"
				});
				$(".active").eq(a).css({
					"background" : "red"
				});

				$.cookie(index, null);
			}
		} else {
			$.cookie(index, null, {
				path : '/'
			});
		}
		;

	});

});
